A ladder 10 m long is leaning against a wall, making an angle of 60° with the ground. How far is the foot of the ladder from the wall?
Q1. A ladder 10 m long is leaning against a wall, making an angle of 60° with the ground. How far is the foot of the ladder from the wall?
Answer: 5 m
Explanation: Using cos(60°) = adjacent/hypotenuse = x/10, so x = 10 * 1/2 = 5 m.